1. Electric pump, closed coupled centrifugal horizontal pumps its casing from cast iron and the impeller is brass, shaft from stainless steel, mechanical seal is carbon/ceramic.
2. Diesel engine pump, with capacity equal to electric pump capacity, fuel tank.
3. Jockey pump, horizontal or vertical, 10, 15, 20, 30, 40, 50, 75, 100, 125...GPM
4. Control panel, MCB for each pump, DOL starter with thermal over load protection for main electric pump, hand off auto selector switch for each pump, indication lamps for pump run and pump trip, pressure switch for the automatic operation, battery charger, 12 volt battery to start the engine.